TY - JOUR AU - Hugo Steinhaus TI - Elementary inequalities between the expected values of current estimates of variance JO - Colloquium Mathematicum PY - 1947 SP - 312 EP - 321 VL - 1 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-1-4-312-321/ DO - 10.4064/cm-1-4-312-321 LA - en ID - 10_4064_cm_1_4_312_321 ER -